<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>圣诞树</title>
    <link rel="stylesheet" href="./index.css">
    <style>
        #neon-btn {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 200px;
            background: #031628;
        }

        #neon-btn .btn {
            border: 1px solid;
            background-color: transparent;
            text-transform: uppercase;
            font-size: 14px;
            padding: 10px 20px;
            font-weight: 300;
        }

        #neon-btn .one {
            color: #4cc9f0;
        }

        #neon-btn .two {
            color: #f038ff;
        }

        #neon-btn .three {
            color: #b9e769;
        }

        #neon-btn .btn:hover {
            color: white;
            border: 0;
        }

        #neon-btn .one:hover {
            background-color: #4cc9f0;
            -webkit-box-shadow: 10px 10px 99px 6px rgba(76, 201, 240, 1);
            -moz-box-shadow: 10px 10px 99px 6px rgba(76, 201, 240, 1);
            box-shadow: 10px 10px 99px 6px rgba(76, 201, 240, 1);
        }

        #neon-btn .two:hover {
            background-color: #f038ff;
            -webkit-box-shadow: 10px 10px 99px 6px rgba(240, 56, 255, 1);
            -moz-box-shadow: 10px 10px 99px 6px rgba(240, 56, 255, 1);
            box-shadow: 10px 10px 99px 6px rgba(240, 56, 255, 1);
        }

        #neon-btn .three:hover {
            background-color: #b9e769;
            -webkit-box-shadow: 10px 10px 99px 6px rgba(185, 231, 105, 1);
            -moz-box-shadow: 10px 10px 99px 6px rgba(185, 231, 105, 1);
            box-shadow: 10px 10px 99px 6px rgba(185, 231, 105, 1);
        }

        #draw-border {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 200px;
            background: #eee;
        }

        .four {
            border: 0;
            background: none;
            text-transform: uppercase;
            color: #4361ee;
            font-weight: bold;
            position: relative;
            outline: none;
            padding: 10px 20px;
            box-sizing: border-box;
        }

        .four::before,
        .four::after {
            box-sizing: inherit;
            position: absolute;
            content: '';
            border: 2px solid transparent;
            width: 0;
            height: 0;
        }

        .four::after {
            bottom: 0;
            right: 0;
        }

        .four::before {
            top: 0;
            left: 0;
        }

        .four:hover::before,
        .four:hover::after {
            width: 100%;
            height: 100%;
        }

        .four:hover::before {
            border-top-color: #4361ee;
            border-right-color: #4361ee;
            transition: width 0.3s ease-out, height 0.3s ease-out 0.3s;
        }

        .four:hover::after {
            border-bottom-color: #4361ee;
            border-left-color: #4361ee;
            transition: border-color 0s ease-out 0.6s, width 0.3s ease-out 0.6s, height 0.3s ease-out 1s;
        }

        #border-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 200px;
            background: rgba(0, 0, 0, .5);
        }

        .five {
            border: 0;
            border-radius: 10px;
            background: #2ec4b6;
            text-transform: uppercase;
            color: white;
            font-size: 16px;
            font-weight: bold;
            padding: 15px 30px;
            outline: none;
            position: relative;
            transition: border-radius 3s;
            -webkit-transition: border-radius 3s;
        }

        .five:hover {
            border-bottom-right-radius: 50px;
            border-top-left-radius: 50px;
            border-bottom-left-radius: 10px;
            border-top-right-radius: 10px;
        }

        #frozen-btn {
            display: flex;
            align-items: center;
            justify-content: center;


        }

        .six {
            border: 0;
            margin: 20px;
            text-transform: uppercase;
            font-size: 20px;
            font-weight: bold;
            padding: 15px 50px;
            border-radius: 50px;
            color: white;
            outline: none;
            position: relative;
        }

        .six:before {
            content: '';
            display: block;
            background: linear-gradient(to left, rgba(255, 255, 255, 0) 50%, rgba(255, 255, 255, 0.4) 50%);
            background-size: 210% 100%;
            background-position: right bottom;
            height: 100%;
            width: 100%;
            position: absolute;
            top: 0;
            bottom: 0;
            right: 0;
            left: 0;
            border-radius: 50px;
            transition: all 1s;
            -webkit-transition: all 1s;
        }

        .green {
            background-image: linear-gradient(to right, #25aae1, #40e495);
            box-shadow: 0 4px 15px 0 rgba(49, 196, 190, 0.75);
        }

        .purple {
            background-image: linear-gradient(to right, #6253e1, #852D91);
            box-shadow: 0 4px 15px 0 rgba(236, 116, 149, 0.75);
        }

        .purple:hover:before {
            background-position: left bottom;
        }

        .green:hover:before {
            background-position: left bottom;
        }

        #shiny-shadow {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 200px;
            background: #1c2541;
        }

        .seven {
            border: 2px solid white;
            background: transparent;
            text-transform: uppercase;
            color: white;
            padding: 15px 50px;
            outline: none;
            overflow: hidden;
            position: relative;
        }

        .seven span {
            z-index: 20;
        }

        .seven:after {
            content: '';
            display: block;
            position: absolute;
            top: -36px;
            left: -100px;
            background: white;
            width: 50px;
            height: 125px;
            opacity: 20%;
            transform: rotate(-45deg);
        }

        .seven:hover:after {
            left: 120%;
            transition: all 600ms cubic-bezier(0.3, 1, 0.2, 1);
            -webkit-transition: all 600ms cubic-bezier(0.3, 1, 0.2, 1);
        }

        #loading-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 200px;
        }

        .eight {
            background: transparent;
            border: 0;
            border-radius: 0;
            text-transform: uppercase;
            font-weight: bold;
            font-size: 20px;
            padding: 15px 50px;
            position: relative;
        }

        .eight:before {
            transition: all 0.8s cubic-bezier(0.7, -0.5, 0.2, 2);
            content: '';
            width: 1%;
            height: 100%;
            background: #ff5964;
            position: absolute;
            top: 0;
            left: 0;
        }

        .eight span {
            mix-blend-mode: darken;
        }

        .eight:hover:before {
            background: #ff5964;
            width: 100%;
        }


        html,
        body {
            width: 100%;
            height: 100%;
        }

        * {
            margin: 0;
            padding: 0;
        }

        body {
            position: relative;
            overflow: hidden;
            background-color: #020024;
            background: linear-gradient(#021317, #293841, #80afa3, #ded8c9);
        }

        .moon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            position: absolute;
            top: 5%;
            left: 20%;
            transform: rotate(186deg);
            box-shadow: 10px -10px rgba(255, 255, 255, 0.9);
        }

        p {
            color: palevioletred;
            text-align: center;
            margin-top: 50px;
            font-size: 30px;
            animation: wsy 2s ease infinite alternate;
        }

        @keyframes wsy {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(0.9);
            }
        }

        .word {
            font-size: 22px;
            text-align: center;
            color: gold;
            padding-top: 50px;
            letter-spacing: 5px;
            text-shadow: 2px 4px 9px rgba(255, 255, 255, 0.7);
        }

        .tree {
            width: 200px;
            height: 300px;
            margin: 80px auto 0 auto;
            position: relative;
        }

        .star {
            width: 50px;
            height: 50px;
            position: absolute;
            background: #fff;
            border-radius: 50%;
            top: -25px;
            z-index: 1000;
            left: 50%;
            transform: translateX(-50%);
            animation: starLight 1.5s ease infinite alternate;
        }

        .star_in {
            position: absolute;
            left: 50%;
            top: 50%;
            border-right: 100px solid transparent;
            border-bottom: 70px solid yellow;
            border-left: 100px solid transparent;
            transform: translateX(-50%) translateY(-50%) rotate(35deg) scale(0.14);

        }

        .star_in::before {
            border-bottom: 80px solid yellow;
            border-left: 30px solid transparent;
            border-right: 30px solid transparent;
            position: absolute;
            top: -45px;
            left: -65px;
            content: '';
            transform: rotate(-35deg);
        }

        .star_in::after {
            border-bottom: 70px solid yellow;
            border-left: 100px solid transparent;
            border-right: 100px solid transparent;
            position: absolute;
            top: 3px;
            left: -105px;
            content: '';
            transform: rotate(-70deg);
        }

        @keyframes starLight {
            0% {
                background: radial-gradient(ellipse at center, yellow 0%,
                        rgba(255, 240, 158, 0.5) 42%,
                        rgba(255, 242, 173, 0.2) 58%,
                        rgba(255, 255, 255, 0.1) 100%);
            }

            25% {
                background: radial-gradient(ellipse at center, yellow 0%,
                        rgba(255, 240, 158, 0.5) 40%,
                        rgba(255, 242, 173, 0.2) 60%,
                        rgba(255, 255, 255, 0.1) 100%);
            }

            50% {
                background: radial-gradient(ellipse at center, yellow 0%,
                        rgba(255, 240, 158, 0.5) 38%,
                        rgba(255, 242, 173, 0.2) 62%,
                        rgba(255, 255, 255, 0.1) 100%);
            }

            75% {
                background: radial-gradient(ellipse at center, yellow 0%,
                        rgba(255, 240, 158, 0.5) 36%,
                        rgba(255, 242, 173, 0.2) 64%,
                        rgba(255, 255, 255, 0.1) 100%);
            }

            100% {
                background: radial-gradient(ellipse at center, yellow 0%,
                        rgba(255, 240, 158, 0.5) 34%,
                        rgba(255, 242, 173, 0.2) 66%,
                        rgba(255, 255, 255, 0.1) 100%);
            }
        }

        .leaf {
            position: absolute;
            left: 50%;
            top: 3%;
            margin-left: -30px;
            background-color: rgba(14, 100, 14);
            width: 60px;
            height: 60px;
            border-radius: 0 10px 35px 10px;
            transform: rotate(45deg);
            box-shadow: 2px 7px 2px rgba(43, 43, 43, 0.2);
        }

        .edge {
            position: absolute;
            left: 0;
            bottom: 0;
            background-color: rgba(14, 100, 14);
            width: 25px;
            height: 30px;
            border-radius: 0 10px 35px 10px;
            transform: translateY(50%) translateX(0);
        }

        .edge.right {
            position: absolute;
            left: unset;
            bottom: unset;
            top: 0;
            right: 0;
            background-color: rgba(14, 100, 14);
            width: 25px;
            height: 30px;
            border-radius: 0 10px 35px 10px;
            transform: translateY(0) translateX(50%);
        }

        .leaf:nth-child(even) {
            background-color: #0f880f;
        }

        .leaf:nth-child(even) .edge {
            background-color: #0f880f;
        }

        .leaf:nth-child(1) {
            z-index: 100;
            transform: rotate(45deg) scale(0.8);
        }

        .leaf:nth-child(2) {
            z-index: 99;
            top: 15%;
            transform: rotate(45deg) scale(1.3);
        }

        .leaf:nth-child(3) {
            z-index: 98;
            top: 28%;
            transform: rotate(45deg) scale(1.6);
        }

        .leaf:nth-child(4) {
            z-index: 97;
            top: 41%;
            transform: rotate(45deg) scale(1.9);
        }

        .leaf:nth-child(5) {
            z-index: 96;
            top: 54%;
            transform: rotate(45deg) scale(2.2);
        }

        .trunk {
            width: 25px;
            height: 45px;
            border-radius: 0 0 3px 3px;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 20px;
            z-index: 1;
            box-shadow: 0 0 10px 5px rgb(19, 19, 19);
            background: linear-gradient(0deg, #6d411b 0%, #5a341d 64%);
        }

        .ball {
            width: 20px;
            height: 20px;
            background: #f00;
            box-shadow: -1px -1px 6px inset #600, 1px 1px 8px inset #ffc9c9;
            border-radius: 50%;
            z-index: 101;
            position: absolute;
        }

        .b1 {
            left: 25%;
            top: 30%;
        }

        .b2 {
            left: 35%;
            top: 50%;
        }

        .b3 {
            left: 65%;
            top: 20%;
        }

        .b4 {
            left: 45%;
            top: 22%;
        }

        .b5 {
            left: 40%;
            top: 72%;
        }

        .b6 {
            left: 60%;
            top: 52%;
        }

        .b7 {
            left: 50%;
            top: 62%;
        }

        .b8 {
            left: 80%;
            top: 42%;
        }

        .b9 {
            left: 10%;
            top: 62%;
        }

        .b4,
        .b5,
        .b6 {
            background: #ececec;
            box-shadow: -1px -1px 6px inset #615f5f, 1px 1px 8px inset #fff;

        }

        .b7,
        .b8,
        .b9 {
            background: yellow;
            box-shadow: -1px -1px 6px inset #3a3101, 1px 1px 8px inset #fff;
        }

        .sparkle span {
            display: block;
            position: absolute;
            font-size: 20px;
            z-index: 101;
            color: #fff;
            animation: lights 1.5s ease infinite alternate;
        }

        @keyframes lights {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.5);
            }
        }

        .sparkle span:nth-child(1) {
            left: 30%;
            top: 40%;
        }

        .sparkle span:nth-child(2) {
            left: 40%;
            top: 27%;
            font-size: 15px;
        }

        .sparkle span:nth-child(3) {
            left: 50%;
            top: 57%;
            font-size: 12px;

        }

        .sparkle span:nth-child(4) {
            left: 70%;
            top: 67%;
            font-size: 14px;
        }

        .sparkle span:nth-child(5) {
            left: 74%;
            top: 13%;
            font-size: 16px;

        }

        .sparkle span:nth-child(5) {
            left: 74%;
            top: 13%;
            font-size: 16px;
        }

        .blink div {
            width: 3px;
            height: 3px;
            background: #fff;
            z-index: 101;
            position: absolute;
            border-radius: 50%;
            animation: blink 1.5s ease infinite alternate;
        }

        .blink div:nth-child(2) {
            left: 34%;
            top: 13%;
            transform: scale(1.2);
        }

        .blink div:nth-child(3) {
            left: 54%;
            top: 43%;
            transform: scale(0.6);
        }

        .blink div:nth-child(4) {
            left: 64%;
            top: 33%;
            transform: scale(1.4);
        }

        .blink div:nth-child(5) {
            left: 34%;
            top: 63%;
            transform: scale(1.8);
        }

        .blink div:nth-child(6) {
            left: 14%;
            top: 76%;
            transform: scale(1.5);
        }

        @keyframes blink {
            0% {
                box-shadow: 0 0 0 0 #fff;
            }

            25% {
                box-shadow: 0 0 1px 1px #fff;

            }

            50% {
                box-shadow: 0 0 2px 2px #fff;

            }

            75% {
                box-shadow: 0 0 3px 3px #fff;

            }

            100% {
                box-shadow: 0 0 4px 4px #fff;

            }
        }

        .snow_box {
            width: 200%;
            height: 100%;
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            animation: 12s snow_moving linear forwards infinite;
            transform: translateY(-100%);
            z-index: 9999;
        }

        .snow_box:nth-of-type(2n) {
            animation-delay: 6s;
        }

        @keyframes snow_moving {
            0% {
                transform: translateY(-100%);
            }

            100% {
                transform: translateY(100%);
            }
        }

        .sonwflake {
            width: 6px;
            height: 6px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 50%;
            position: absolute;
            top: 0;
            left: 0;
            animation: 5s flake_moving linear forwards infinite;
        }

        .sonwflake:nth-of-type(2n) {
            animation-delay: 2.5s;
        }

        @keyframes flake_moving {
            0% {
                transform: translateX(0%);
            }

            50% {
                transform: translateX(-500%);
            }

            0% {
                transform: translateX(0%);
            }
        }

        .smaller .sonwflake {
            width: 4px;
            height: 4px;
        }

        .smallest .sonwflake {
            width: 2px;
            height: 2px;
        }

        .word {
            font-size: 22px;
            text-align: center;
            color: gold;
            padding-top: 50px;
            letter-spacing: 5px;
            text-shadow: 2px 4px 9px rgba(255, 255, 255, 0.7);
        }
    </style>
</head>

<body>
    <p class="word">圣诞快乐</p>
    <div class="moon">

    </div>
    <div class="tree">
        <div class="star">
            <div class="star_in"></div>
        </div>
        <div class="leaf-box">
            <div class="leaf">
                <div class="edge"> </div>
                <div class="edge right"> </div>
            </div>
            <div class="leaf">
                <div class="edge"> </div>
                <div class="edge right"> </div>
            </div>
            <div class="leaf">
                <div class="edge"> </div>
                <div class="edge right"> </div>
            </div>
            <div class="leaf">
                <div class="edge"> </div>
                <div class="edge right"> </div>
            </div>
            <div class="leaf">
                <div class="edge"> </div>
                <div class="edge right"> </div>
            </div>
        </div>
        <div class="trunk">

        </div>
        <div class="ball_box">
            <div class="ball b1"></div>
            <div class="ball b2"></div>
            <div class="ball b3"></div>
            <div class="ball b4"></div>
            <div class="ball b5"></div>
            <div class="ball b6"></div>
            <div class="ball b7"></div>
            <div class="ball b8"></div>
            <div class="ball b9"></div>
        </div>
        <div class="sparkle">
            <span>✨</span>
            <span>✨</span>
            <span>✨</span>
            <span>✨</span>
            <span>✨</span>
            <span>✨</span>
        </div>
        <div class="blink">
            <div></div>
            <div></div>
            <div></div>
            <div></div>
            <div></div>
            <div></div>
        </div>

    </div>
    <div class="snow_box">
        <div>
            <i class="sonwflake" style="left:11.39%;top:25%"></i>
            <i class="sonwflake" style="left:56.39%;top:13%"></i>
            <i class="sonwflake" style="left:41.39%;top:75%"></i>
            <i class="sonwflake" style="left:94.39%;top:40%"></i>
            <i class="sonwflake" style="left:51.39%;top:13%"></i>
            <i class="sonwflake" style="left:33.39%;top:12%"></i>
            <i class="sonwflake" style="left:80.39%;top:64%"></i>
            <i class="sonwflake" style="left:34.39%;top:76%"></i>
            <i class="sonwflake" style="left:32.39%;top:10%"></i>
            <i class="sonwflake" style="left:40.39%;top:13%"></i>
            <i class="sonwflake" style="left:54.39%;top:90%"></i>
            <i class="sonwflake" style="left:19.39%;top:23%"></i>
            <i class="sonwflake" style="left:6.39%;top:1%"></i>
            <i class="sonwflake" style="left:23.39%;top:76%"></i>
            <i class="sonwflake" style="left:23.39%;top:64%"></i>
            <i class="sonwflake" style="left:12.39%;top:86%"></i>
            <i class="sonwflake" style="left:27.39%;top:82%"></i>
            <i class="sonwflake" style="left:3.39%;top:3%"></i>
            <i class="sonwflake" style="left:37.39%;top:75%"></i>
            <i class="sonwflake" style="left:1.39%;top:45%"></i>
            <i class="sonwflake" style="left:6.39%;top:4%"></i>
            <i class="sonwflake" style="left:75.39%;top:87%"></i>
            <i class="sonwflake" style="left:1.13%;top:45%"></i>
            <i class="sonwflake" style="left:32%;top:12%"></i>
        </div>
        <div class="smaller">
            <i class="sonwflake" style="left:80%;top:11%"></i>
            <i class="sonwflake" style="left:85%;top:82%"></i>
            <i class="sonwflake" style="left:2%;top:1%"></i>
            <i class="sonwflake" style="left:23%;top:23%"></i>
            <i class="sonwflake" style="left:13%;top:54%"></i>
            <i class="sonwflake" style="left:12%;top:65%"></i>
            <i class="sonwflake" style="left:23%;top:86%"></i>
            <i class="sonwflake" style="left:42%;top:1%"></i>
            <i class="sonwflake" style="left:54%;top:1%"></i>
            <i class="sonwflake" style="left:34%;top:5%"></i>
            <i class="sonwflake" style="left:7%;top:23%"></i>
            <i class="sonwflake" style="left:1%;top:75%"></i>
            <i class="sonwflake" style="left:34%;top:40%"></i>
            <i class="sonwflake" style="left:65%;top:8%"></i>
            <i class="sonwflake" style="left:12%;top:87%"></i>
            <i class="sonwflake" style="left:2%;top:2%"></i>
            <i class="sonwflake" style="left:34%;top:50%"></i>
            <i class="sonwflake" style="left:1%;top:5%"></i>
            <i class="sonwflake" style="left:43.4%;top:12.3%"></i>
            <i class="sonwflake" style="left:20.54%;top:34.32%"></i>
            <i class="sonwflake" style="left:54.3%;top:12.34%"></i>
            <i class="sonwflake" style="left:1.54%;top:23.43%"></i>
        </div>
        <div class="smallest">
            <i class="sonwflake" style="left:2.23%;top:1.43%"></i>
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